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NEC VK19EA-H no display

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    #1

    NEC VK19EA-H no display

    hi all friends
    i have NEC VK19EA-H Quanta RR3A with no display
    all basic voltage are ok except +VCC_CORE
    pu852
    pins 15,23 +5V_S5 ok
    pin30 vin +19v ok
    pin1 VR_ON 3.3v ok
    pin6 PWRGD 0v
    +VCC_CORE 0v
    no any amp on psu

    it can pu852 is faulty
    what can i measure again
    thanks

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